12222312148 has 24 divisors (see below), whose sum is σ = 22601537280. Its totient is φ = 5771457120.

The previous prime is 12222312103. The next prime is 12222312149. The reversal of 12222312148 is 84121322221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222312149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833563 + ... + 848098.

It is an arithmetic number, because the mean of its divisors is an integer number (941730720).

Almost surely, 2^12222312148 is an apocalyptic number.

It is an amenable number.

12222312148 is a deficient number, since it is larger than the sum of its proper divisors (10379225132).

12222312148 is a wasteful number, since it uses less digits than its factorization.

12222312148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681767 (or 1681765 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

Adding to 12222312148 its reverse (84121322221), we get a palindrome (96343634369).

The spelling of 12222312148 in words is "twelve billion, two hundred twenty-two million, three hundred twelve thousand, one hundred forty-eight".